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TECHNOLOGY

How to make a USB ventilator at home

Hello everybody! Roman is here with you! Today I’d like to show you how to make a USB ventilator at home. Nearly two weeks ago I received messages on Skype and Youtube to show how I make it. Of course, there are lots of ideas, but I’m going to show you my own idea. Well,

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How to make a gaming vibro-mouse with your own hands

Hello my dear friends! Roman is here with you as usual. As you might have noticed the weather is bad, it’s dull and rainy. And I think that a lot of you like to watch films or play video games in such days. Today I’m going to show you how to make a gaming mouse

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How to make a spirit turbo burner up to +1500o C

Hello guys! Today I’d like to show you in my video how to make a hand made turbo burner with the flame temperature up to +1500o C. For manufacturing of a hand made turbo burner we need one candle, such a holder, which is taken from the hand made fondue. Those who haven’t seen that

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Speaker made of a balloon!How to make it?

Hello my dear friends! Roman is here with you as usual! Today I’d like to tell you how to make a speaker out of a simple balloon. We need to take a scotch tape, a balloon, a magnet and a copper wire. So, let’s start! First, we need to inflate the balloon. Then we take

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How to make a mini electric shocker

Hello my dear friends! As usual, Roman is here with you. I read all your comments and suggestions, but unfortunately, physically I cannot manage to answer to each one of you. The most popular suggestion is to make a mini electric shocker with your own hands, even a weak one to play a joke on

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Portable USB cell-phone charger

Hi everyone! In this video I’m going to show you how to make a portable USB charger on your own, which will be able to charge your iPhone, iPad or camera when you are outdoors. We take two nine-volt batteries, one should be good and another one may be used. In the box we are

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How to make Gas-jet (up to 1000C)

Hello my dear friends! As usual, Roman is here with you. Today I’d like to tell you in this video how to make a gas-jet, its burn temperature will reach up to 10000C First we need two dropping bottles and two needles. The thicker needle is for inflating balls and the second one is from

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